{"id":78907,"date":"2020-04-23T01:41:58","date_gmt":"2020-04-22T23:41:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovan-openssl-1-1-1g-s-ustraneniem-uyazvimosti-svyazannoj-s-tls-1-3"},"modified":"2020-04-23T01:41:58","modified_gmt":"2020-04-22T23:41:58","slug":"opublikovan-openssl-1-1-1g-s-ustraneniem-uyazvimosti-svyazannoj-s-tls-1-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/opublikovan-openssl-1-1-1g-s-ustraneniem-uyazvimosti-svyazannoj-s-tls-1-3","title":{"rendered":"Byl zve\u0159ejn\u011bn OpenSSL 1.1.1g s odstran\u011bn\u00edm zranitelnosti souvisej\u00edc\u00ed s TLS 1.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Dostupn\u00e9<\/a><\/noindex> oprava \u0161ifrovac\u00ed knihovny OpenSSL 1.1.1g<\/a><\/noindex>, ve kter\u00e9 byla odstran\u011bna zranitelnost<\/a><\/noindex> (CVE-2020-1967<\/a><\/noindex>), co\u017e vede k odm\u00edtnut\u00ed slu\u017eby p\u0159i pokusu o nav\u00e1z\u00e1n\u00ed TLS 1.3 spojen\u00ed se serverem nebo klientem pod kontrolou \u00fato\u010dn\u00edka. Zranitelnosti byla p\u0159id\u011blena vysok\u00e1 \u00farove\u0148 nebezpe\u010d\u00ed.<\/p>\n

Probl\u00e9m se projevuje pouze v aplikac\u00edch, kter\u00e9 pou\u017e\u00edvaj\u00ed funkci SSL_check_chain(), a vede k p\u00e1du procesu p\u0159i nespr\u00e1vn\u00e9m vyu\u017eit\u00ed TLS roz\u0161\u00ed\u0159en\u00ed \u201esignature_algorithms_cert\u201c. Konkr\u00e9tn\u011b b\u011bhem jedn\u00e1n\u00ed o spojen\u00ed, pokud dojde k p\u0159ijet\u00ed nepodporovan\u00e9 nebo neplatn\u00e9 hodnoty algoritmu pro zpracov\u00e1n\u00ed digit\u00e1ln\u00edch podpis\u016f, doch\u00e1z\u00ed k dereferencov\u00e1n\u00ed nulov\u00e9ho ukazatele a p\u00e1du procesu. Probl\u00e9m se projevuje od vyd\u00e1n\u00ed OpenSSL 1.1.1d.<\/p>\n

<\/a><\/noindex><\/p>\n

Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u043f\u0440\u0438 \u043d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 TLS-\u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f «signature_algorithms_cert». \u0412 \u0447\u0430\u0441\u0442\u043d\u043e\u0441\u0442\u0438, \u043f\u0440\u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-78907","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Byl zve\u0159ejn\u011bn OpenSSL 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